| isolation and identification of infectious bronchitis virus from chickens in sichuan, china. | a nonhemagglutinating virus was isolated from kidneys and lungs of chickens suspected of having infectious bronchitis infection. specific-pathogen-free embryonated chicken eggs were used as the cultural system. with the use of the ciliary activity of chicken embryo tracheal organ cultures as indicator system, the physicochemical properties of one of the isolated strains (saib3) were shown to be similar to infectious bronchitis virus (ibv) strain m41 (standard strain); whereas electron microscopy ... | 1997 | 9201388 |